Tlhahlobo e tebileng{{0}ea HCI Ultra-low Phase Noise Oven-controlled Crystal Oscillators (OCXOs)

Litsamaisong tsa elektronike tse nepahetseng, lets'oao le tsitsitseng la maqhubu le tšoana le ho otla ha pelo ka nepo, le sebetsang e le motheo oa ts'ebetso eohle ea nako. E le mohloli o phahameng-o nepahetseng khafetsa, Oven{2}}controlled Crystal Oscillator (OCXO) e ama ka kotloloho ts'epahalo ea litsamaiso tse bohlokoa joalo ka likhokahano, navigation, le methalo. Har'a litlhaloso tse fapaneng tsa tekheniki, lerata la karolo ke paramente ea mantlha ea ho lekola bohloeki ba matšoao a OCXO. Haholo-holo lits'ebetsong tse phahameng-tse nang le tlhokomeliso ea nako, hangata e fetoha eona ntlha ea bohlokoa bakeng sa ts'ebetso ea sistimi.

Sebopeho sa Lerata la Phase: "Barometer" ea Bohloeki ba Letšoao

Ha re bua ka 'mele, lerata la mohato le hlalosa litšobotsi tse sa reroang tsa mohato oa matšoao. Ka mokhoa o nepahetseng, lets'oao le phethahetseng la sine wave le lokela ho hlaha e le mohala o le mong, o bohale oa spectral spectrum. Leha ho le joalo, li-oscillator tse sebetsang li angoa ke mehloli e fapaneng ea lerata, e lebisang ho mahlakoreng a lerata a tsoelang pele ho potoloha lets'oao le ka sehloohong. Ho ata hona ho makatsang, joalo ka "skirt", ke ponahatso e hlakileng ea lerata la mohato.

Lerata le joalo le tsoa lerata la tlhaho la likarolo tsa elektroniki, ho feto-fetoha ha mocheso, tšitiso ea phepelo ea motlakase, le liphoso tsa kristale ka boeona. Sebakeng sa nako, lerata le bonahala e le jitter ea nako ea matšoao a zero-mafelo a ho tšela; sebakeng sa maqhubu, e bonahala e le kabo ea matla a lerata mahlakoreng ka bobeli a maqhubu a sephethephethe. Ho phahamisa lerata la mohato, ho theola molumo oa spectral purity, le ho ba le tšitiso e matla ho likanale tse haufi.

Hobaneng ha Phase Noise e Fetoha "Performance Threshold" bakeng sa-end OCXOs tse phahameng

Lits'ebetsong tse hlokang litšupiso tse phahameng- tse nepahetseng haholo, lerata le hokahantsoe le meeli ea ts'ebetso ea sistimi:

Bokhoni ba Tsamaiso ea Lipuisano le Boleng: Likhokahanong tsa sejoale-joale tse se nang mohala, kabo ea kanale e teteaneng e hloka hore lets'oao le leng le le leng la sepalangoang le behoe ka har'a bandwidth e boletsoeng. Lerata le phahameng ka ho fetelletseng le baka ho lutla ha matla liteisheneng tse haufi, ho baka tšitiso, ho fokotsa ts'ebeliso e ntle ea spectrum, le ho eketseha ha litekanyetso tsa liphoso. Bakeng sa -mekhoa ea ho feto-fetoha ha liodara tse phahameng (mohlala, 1024-QAM) ho 5G le litsamaiso tsa 6G tsa nakong e tlang, lerata la mohato le ama ka kotloloho ts'ebetso ea tlhophiso.

Qeto ea Sisteme ea Radar le ea Litšoantšo: Ka radar, Synthetic Aperture Radar (SAR), le lisebelisoa tsa litšoantšo tsa bongaka, lerata la mohato le fetolela liphoso tsa tekanyo ea mefuta-futa le azimuth, ho fokotsa tharollo ea tsamaiso. Lerata le tlase le thusa ho nepahala ha boemo ba sepheo le bokhoni bo botle ba ho lemoha tšobotsi.

Tekanyo e nepahetseng le lipatlisiso tsa mahlale: Ka lioache tsa liathomo, li-spectrum analyzers, le{0}}lisebelisoa tse phahameng tsa liteko tsa fisiks ea matla, lerata la mohato le hlahisa ho se kholisehe ha tekanyo ka kotloloho, le amang ho tšepahala le ho pheta-pheta ha lintlha tsa liteko.

Ho Tsamaisa le Nako ho Nepaha ha Tsamaiso: Baamoheli ba Global Navigation Satellite System (GNSS) ba itšetlehile ka li-oscillator tsa lehae bakeng sa ho theola-phetoho le ho sebetsa ha matshwao a satellite. Lerata la mohato le baka liphoso tsa ho latedisa maemo, mme le ama ka kotloloho ho nepahala ha maemo, haholo{2}}mesebetsing e nepahetseng e kang Precise Point Positioning (PPP).

Lipontšo tsa Bohlokoa tsa ho Utloisisa Lerata la Mokhahlelo

Lerata la mohato hangata le hlalosoa e le karo-karolelano ea matla a lerata ka har'a bandwidth ea yuniti (1Hz) ho matla a carrier ka maqhubu a ikhethileng, ka yuniti ea dBc/Hz. Ha boleng bona bo le tlase, lets'oao le hloekile.

Litšobotsi tse peli tsa litekanyo li tlameha ho tsepamisoa nakong ea tlhahlobo:

Koala-ka Mokhahlelo oa Lerata: Ka kakaretso e bua ka litšobotsi tsa lerata ka har'a marang-rang a offset a 1Hz ho isa ho 1kHz. E bonahatsa botsitso ba nako-ea nako e khuts'oane ea oscillator mme e ama ka kotloloho ts'ebetso ea morao-rao ea Phase{4}}Locked Loops (PLLs) le mokhoa o nepahetseng oa ho feto-fetoha oa litsamaiso tsa puisano. Ho koaleha-lerata ho susumetsoa haholo ke litšobotsi tsa tlhaho tsa kristale, lerata la taolo ea potoloho, le botsitso ba mocheso.

Hole-Lerata la Phase: E bua ka litšobotsi tsa lerata ho maqhubu a offset ka holimo ho 1kHz. E angoa haholo ke lerata la lisebelisoa tse sebetsang (mohlala, li-amplifiers) potolohong, lerata la phepelo ea motlakase, le tšitiso ea kantle. Bakeng sa litsamaiso tsa Broadband,-lerata la hole le bohlokoa ka ho lekana.

Lits'ebetsong tse sebetsang, tlhahlobo e felletseng ea ts'ebetso ea oscillator e hloka ho sekaseka litekanyetso tsa lerata la mekhahlelo maemong a mangata a offset frequency (mohlala, 1Hz, 10Hz, 100Hz, 1kHz, 10kHz, 100kHz).

Lintlha tse ka Sehloohong tse Amang OCXO Phase Lerata

Boemo ba lerata la OCXO bo bakiloe ke-moetso oa boemo ba sistimi, haholo-holo ka lebaka la lintlha tse latelang:

Boleng ba Quartz Crystal Resonator: Joalo ka makhetlo-karolo e khethollang, Q{1}}factor ea kristale (quality factor) e ama ka kotloloho moeli o tlase oa mohopolo oa lerata. Likristale tse phahameng tsa Q-li khona ho sefa lerata hamolemo le ho fana ka lets'oao le hloekileng la maqhubu. Mokhoa oa ho itšeha ka kristale (mohlala, SC-sehiloeng, AT-sehiloeng) le mokhoa oa eona oa ho remona li boetse li susumetsa maikutlo a ho thothomela le ho fetoha ha mocheso. Li-HCI OCXO kaofela li sebelisa likristale tse khaotsoeng tsa Q-factor SC{11} tse kopantsoeng le theknoloji e tsoetseng pele ea khauta{12}, ho rala motheo o tiileng bakeng sa{13}}li-OCXO tsa lerata tse phahameng haholo.

Ho Nepaha ha Mokhoa oa Taolo ea Mocheso: Li-OCXO li boloka kristale ka mocheso o haufi le sebaka sa mocheso oa zero ka ontong ea thermostat. Ho feto-fetoha ha mocheso ho fetola likarolo tsa kristale le ho hlahisa lerata la mohato. Ka hona, moralo oa mocheso oa onto ea thermostat, ho nepahala ha potoloho ea taolo ea mocheso, le bokhoni ba ho itšehla thajana ba tikoloho kaofela li bohlokoa.

Moralo oa Potoloho ea Oscillation le Khetho ea Karolo: The oscillation circuit topology, palo ea lerata ea lisebelisoa tse sebetsang, Power Supply Rejection Ratio (PSRR), le boleng ba likarolo tse sa sebetseng kaofela li hlahisa lerata le eketsehileng. Moetso o motle o tlase-o kenyelletsa tšebeliso ea-li-transistors tsa lerata tse tlase,{3}}li-capacitor tse tsitsitseng, lintlha tse optimized bias, le sebopeho sa potoloho e hlakileng.

Phepelo ea Matla le Tšitiso ea Kantle: Ripple ea phepelo ea motlakase, lerata la switjha la dijithale, tšitiso ea motlakase, joalo-joalo, kaofela li ka kena potolohong ea oscillation. Ka hona, li-OCXO hangata li hloka ho sefa phepelo e entsoeng hantle-, tšireletso e ntle haholo, le ho itšehla thajana ka mochini.

Maemo a Bohlokoa a Ts'ebeliso ea Li-OCXO tsa Phase e tlase ea Lerata

Likarolong tse latelang, li-OCXO tsa lerata le tlase ke khetho e ke keng ea qojoa bakeng sa moralo oa sistimi:

Moloko o latelang-Mosebetsi oa Motheo oa Mohala oa Lipuisano: Millimeter-likhahla tsa maqhubu a liteishene tsa 5G/6G li bonolo haholo ha li utloa lerata. Li-OCXO tsa {{4}lerata tse tlase li netefatsa bots'epehi ba{{5}matšoao a fetotsoeng a tlhophiso a holimo le ho sebetsa hantle haholo.

Aerospace le Electronics Tšireletso: Radar e tsamaeang ka sefofane, lisebelisoa tsa ntoa ea elektroniki, le litefiso tsa puisano tsa sathelaete li hloka ho boloka botsitso ba matšoao a holimo haholo libakeng tse thata, 'me li-OCXO tsa lerata le tlase li fana ka litšupiso tse tšepahalang tsa khafetsa.

Lisebelisuoa tsa Tekolo{{0} tsa boemo bo holimo le Measurement: Maemo a tlhaho a lerata a lisebelisoa tse joalo ka spectrum analyzers, vector network analyzer, le{0}}lijenereithara tse nepahetseng tsa mats'oao a holimo li supa ka kotloloho mefuta ea litekanyo tsa tsona le ho nepahala.

Tšebelisano ea Lichelete le Khokahano ea Setsi sa Boitsebiso: -marang-rang a marang-rang a marang-rang le litsi tsa data li na le litlhoko tsa boemo ba nanosecond- bakeng sa khokahanyo ea nako, 'me mehloli ea oache ea lerata e tlase ke motheo oa ho netefatsa hore nako e tsamaellana.

Thepa ea ho Lemoha Mahlale: Thepa{0}}ea khale haholo ea liphuputso tsa mahlale tse joalo ka radio telescope arrays, quantum computing experimental system, le gravitational wave sensors li hloka li-oscillator tse matla haholo{{1}le lerata le tlase ho nka mats'oao a fokolang.

Mekhoa ea Ntlafatso ea Theknoloji le Likhothaletso tsa Khetho

Ka ntlafatso e tsoelang pele ea litlhoko tsa ts'ebetso ea sistimi, baenjiniere ba HCI le bona ba ntse ba tsoela pele ho ntlafatsa matšoao a lerata a li-OCXO. Ntlafatso ea hajoale ea theknoloji e tsepamisitse maikutlo ntlafatsong ea lisebelisoa tsa kristale le lits'ebetso, ho matlafatsa taolo ea mocheso ka nepo, ts'ebeliso ea{1}}li-circuits tse kopaneng tsa lerata, le khatello e felletseng ea mehloli e mengata ea lerata.

Ha ba khetha OCXO, baenjiniere ba lokela ho tseba matšoao a lerata a bohlokoa a ipapisitseng le litlhoko tsa sistimi, ba tsepamise maikutlo holima litšobotsi tsa lerata ka har'a sebaka sa 'nete sa maqhubu a ts'ebetso, 'me ba nahane ka botlalo ka lintlha tse kang botsitso, tšebeliso ea matla, boholo le litšenyehelo. Lits'ebetsong tse sebetsang, tlhokomelo e boetse e lokela ho lefshoa ho mokhoa oa ho kenya OCXO, maemo a ho qhala mocheso, le boleng ba phepelo ea motlakase ho thibela lintlha tsa kantle ho theola tšebetso ea eona ea kahare.

Qetello

E le sesupo sa mantlha sa ho lekanya ho hloeka ha matšoao a mehloli ea khafetsa, lerata la mohato le bapala karolo e ke keng ea nkeloa sebaka-mokhoeng o phahameng oa ts'ebetso ea elektroniki. Kutloisiso e tebileng- ea lisosa, mekhoa ea ho khetholla batho, le litlamorao tsa lerata la tšebetso ea sistimi e thusa baenjiniere ho etsa khetho e nepahetseng ea tekheniki le ho rala litheolelo-ka maemo a rarahaneng a ts'ebeliso. Ka tsoelo-pele e tsoelang pele ea mahlale a puisano, a ho utloa le a likhomphutha, tlhoko ea mehloli ea maqhubu a lerata e tlase e tla potlaka le ho feta, e tla khanna theknoloji ea OCXO ho nts'etsapele bohloeki bo phahameng, botsitso le ts'epo.